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https://issues.apache.org/jira/browse/HIVE-13248?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15321008#comment-15321008
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Jason Dere commented on HIVE-13248:
-----------------------------------
committed to branch-2.1 as well.
> Change date_add/date_sub/to_date functions to return Date type rather than
> String
> ---------------------------------------------------------------------------------
>
> Key: HIVE-13248
> URL: https://issues.apache.org/jira/browse/HIVE-13248
> Project: Hive
> Issue Type: Improvement
> Components: UDF
> Affects Versions: 2.0.0, 2.1.0
> Reporter: Jason Dere
> Assignee: Jason Dere
> Labels: TODOC2.2
> Fix For: 2.1.0
>
> Attachments: HIVE-13248.1.patch, HIVE-13248.2.patch,
> HIVE-13248.3.patch, HIVE-13248.4.patch
>
>
> Some of the original "date" related functions return string values rather
> than Date values, because they were created before the Date type existed in
> Hive. We can try to change these to return Date in the 2.x line.
> Date values should be implicitly convertible to String.
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